add back MotoX and introduce unified builds

Change-Id: I7a8745e0041f9cb40f6299ee0d4e2d9ac37edac6
Signed-off-by: Dirk Rettschlag <dirk.rettschlag@gmail.com>
sepolicy: f2fs: Allow fs_use_xattr

Change-Id: I458d464598777fa06751dad0aa9cfd4d903a4de1
Merge "add back MotoX and introduce unified builds" into kitkat
Merge remote branch 'aokp/kitkat' into kitkat